Gilbert, J. A. (1990). Productivity management: A step-by-step guide for health care professionals. American Hospital Pub.
Lua i Stíl Chicago (17ú heag.)Gilbert, Jack A. Productivity Management: A Step-by-step Guide for Health Care Professionals. Chicago, Ill: American Hospital Pub, 1990.
Lua MLA (9ú heag.)Gilbert, Jack A. Productivity Management: A Step-by-step Guide for Health Care Professionals. American Hospital Pub, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.